<http://schema.org/headline>
"Aida - Opera in Four Acts: Preludio by Pl\u00E1cido Domingo, Metropolitan Opera Orchestra, Samuel Ramey, Aprile Millo, James Levine, Dolora Zajick, James Morris, Charles Anthony, Hei-Kyung Hong, Metropolitan Opera Chorus &amp;amp; Terry Cook"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.songpop2.com/content/song/Pl%C3%A1cido-Domingo-Metropolitan-Opera-Orchestra-Samuel-Ramey-Ap/PBJHj>